Earthquake with magnitude of ML 0.9 on date 28-02-2021 and time 01:21:38 (Italy) in region 3 km SE Sarconi (PZ)

A magnitude ML 0.9 earthquake occured in region: 3 km SE Sarconi (PZ), on

  • 28-02-2021 00:21:38 (UTC)
  • 28-02-2021 01:21:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.228, 15.906 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sarconi PZ 3 1404 1404
Moliterno PZ 4 4062 5466
Grumento Nova PZ 6 1700 7166
Spinoso PZ 7 1462 8628
Castelsaraceno PZ 10 1384 10012
Montemurro PZ 11 1235 11247
San Martino d'Agri PZ 12 801 12048
Viggiano PZ 13 3329 15377
Tramutola PZ 15 3089 18466
San Chirico Raparo PZ 15 1084 19550
Armento PZ 16 631 20181
Lagonegro PZ 17 5584 25765
Marsicovetere PZ 18 5546 31311
Latronico PZ 18 4556 35867
Montesano sulla Marcellana SA 18 6704 42571
Carbone PZ 18 638 43209
Casalbuono SA 19 1194 44403
Nemoli PZ 20 1495 45898

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Potenza (67122 inhabitants)
76 Km SW of Matera (60436 inhabitants)
86 Km SW of Altamura (70396 inhabitants)
89 Km E of Battipaglia (50786 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 0.9 2021-02-28
00:21:38
40.2277 15.9057 9 2021-07-12
16:55:12
Bollettino Sismico Italiano INGV 90478071
Reviewed
Rev100
ML 0.9 2021-02-28
00:21:38
40.2358 15.9093 10 2021-02-28
01:12:22
Sala Sismica INGV-Roma 87554841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-28 00:21:38 ± 0.06
Latitude 40.2277 ± 0.0027
Longitude 15.9057 ± 0.0047
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90478071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.35433
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 90478071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-25 09:57:13

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87554841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-28 01:12:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MGR.HHZ. 2021-02-28T00:21:49.79 0.6 undecidable manual S 252 0.2833 50 -0.01 49
IX.PGN3.HHN.02 2021-02-28T00:21:46.46 0.3 undecidable manual P 347 0.3543 50 0.22 69
IV.PTRP.HHZ. 2021-02-28T00:21:45.77 0.3 undecidable manual P 22 0.3166 50 0.17 70
MN.CUC.HHZ. 2021-02-28T00:21:44.29 0.3 undecidable manual P 196 0.2437 109 0.06 73
IV.MCEL.HHZ. 2021-02-28T00:21:44.21 0.6 undecidable manual S 321 0.125 123 -0.08 50
IV.MGR.HHZ. 2021-02-28T00:21:44.77 0.3 undecidable manual P 252 0.2833 50 -0.26 69
IV.SCHR.EHZ. 2021-02-28T00:21:44.50 0.6 undecidable manual S 102 0.1331 122 -0.04 50
IV.SLCN.HHZ. 2021-02-28T00:21:44.72 0.3 undecidable manual P 308 0.2635 107 0.06 73
IX.VGG3.HNZ.01 2021-02-28T00:21:43.88 0.6 undecidable manual S 358 0.1079 127 0.13 49
IV.SIRI.HHZ. 2021-02-28T00:21:42.50 0.6 undecidable manual S 213 0.054 147 0.19 49
IV.MCEL.HHZ. 2021-02-28T00:21:41.73 0.1 undecidable manual P 321 0.125 123 -0.12 98
IX.VGG3.HNZ.01 2021-02-28T00:21:41.35 0.3 undecidable manual P 358 0.1079 127 -0.19 73
IV.SCHR.EHZ. 2021-02-28T00:21:41.84 0.3 undecidable manual P 102 0.1331 122 -0.15 73
IV.SIRI.HHZ. 2021-02-28T00:21:40.80 0.1 positive manual P 213 0.054 147 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHN. ML:1.2 0.00025 0.22 AML other m 2021-02-28T00:21:44.20
IV.SIRI.HNN. ML:1.2 0.0002435 0.2 AML other m 2021-02-28T00:21:44.21
IV.SCHR.EHE. ML:0.7 5.74E-5 0.24 AML other m 2021-02-28T00:21:45.56
IV.SIRI.HNE. ML:1 0.00015345 1.72 AML other m 2021-02-28T00:21:45.89
IV.SIRI.HHE. ML:1 0.00015555 1.74 AML other m 2021-02-28T00:21:45.89
IV.MCEL.HHN. ML:0.8 7.44E-5 0.22 AML other m 2021-02-28T00:21:46.06
IV.SCHR.EHN. ML:0.5 3.65E-5 0.24 AML other m 2021-02-28T00:21:46.26
IV.MCEL.HHE. ML:1 9.57E-5 1.34 AML other m 2021-02-28T00:21:46.27
MN.CUC.HHN. ML:0.6 1.83E-5 1.58 AML other m 2021-02-28T00:21:47.05
MN.CUC.HHE. ML:0.7 2.29E-5 0.42 AML other m 2021-02-28T00:21:50.06
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download